Quarter	US dollars
2004-12-31	255
2005-03-31	250
2005-06-30	242
2005-09-30	251
2005-12-31	242
2006-03-31	241
2006-06-30	259
2006-09-30	269
2006-12-31	282
2007-03-31	292
2007-06-30	289
2007-09-30	302
2007-12-31	213
2008-03-31	340
2008-06-30	344
2008-09-30	233
2008-12-31	210
2009-03-31	193
2009-06-30	222
2009-09-30	230
2009-12-31	236
2010-03-31	202
2010-06-30	232
2010-09-30	225
2010-12-31	240
2011-03-31	232
2011-06-30	231
2011-09-30	262
2011-12-31	275
2012-03-31	289
2012-06-30	253
2012-09-30	218
2012-12-31	217
2013-03-31	216
2013-06-30	215
2013-09-30	209
2013-12-31	217
2014-03-31	223
2014-06-30	231
2014-09-30	248
2014-12-31	98
2015-03-31	238
2015-06-30	289
2015-09-30	283
2015-12-31	285
2016-03-31	286
2016-06-30	267
2016-09-30	260
2016-12-31	252
2017-03-31	335
2017-06-30	491
2017-09-30	539
2017-12-31	569
2018-03-31	566
2018-06-30	553
2018-09-30	526
2018-12-31	582
2019-03-31	597
2019-06-30	652
2019-09-30	620
2019-12-31	620
2020-03-31	572
2020-06-30	643
2020-09-30	647
2020-12-31	696
2021-03-31	745
2021-06-30	738
2021-09-30	751
2021-12-31	838
2022-03-31	856
2022-06-30	821
2022-09-30	825
2022-12-31	834
2023-03-31	897
2023-06-30	978
2023-09-30	985